X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details PROTEIN IN TRIS-HCL, 8.5 11-14 MG/ML PRECIPITANT: 12% PEG MME 2000, 5 MM NICL2, 0.1 M TRIS-HCL, PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.22 α = 90
b = 94.35 β = 90
c = 121.79 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD XRAY RESEARCH -- 1999-06-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.95 74.5 94.6 0.081 -- -- 9.9 -- 39968 -- -- 30.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.95 1.98 54.2 0.288 -- 5.7 6.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.95 20.0 -- 0.0 -- 41695 2099 94.6 -- -- 0.204 0.269 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.9
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 4.378
p_mcangle_it 3.317
p_plane_restr 0.0284
p_planar_d 0.066
p_singtor_nbd 0.188
p_staggered_tor 18.4
p_scbond_it 3.148
p_planar_tor 8.2
p_multtor_nbd 0.259
p_transverse_tor 21.6
p_mcbond_it 2.508
p_chiral_restr 0.288
p_angle_d 0.045
p_special_tor 0.0
p_bond_d 0.024
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3331
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 409

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing